/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef __FILE_SYSTEM_ITEM_HEADER__

#define __FILE_SYSTEM_ITEM_HEADER__ 

#include "fatdefines.h"

#include <time.h>

class UTF16String; 

class TFSNode {

public :

   TFSNode(TFSNode* aParent = 0 ,const char* aFileName = 0, TUint8 aAttrs = 0, const char* aPCSideName = 0);

	~TFSNode() ;

#ifdef _DEBUG

	void PrintTree(int nTab = 0);

#endif

	inline TUint8 GetAttrs() const { return iAttrs ;}

	inline const char* GetFileName() const { return (iFileName != 0) ? iFileName : "" ;}

	inline const char* GetPCSideName() const { return (iPCSideName != 0) ? iPCSideName : "" ;}

	inline TFSNode* GetParent() const { return iParent;}

	inline TFSNode* GetFirstChild() const {return iFirstChild;}

	inline TFSNode* GetSibling() const { return iSibling ;}

	// return the size of memory needed to store this entry in a FAT system

	// for a file entry, it's size of file

	// for a directory entry, it's sumup of memory for subdir and files entry storage

	TUint GetSize() const ; 

	bool IsDirectory() const ;

	//Except for "." and "..", every direcoty/file entry in FAT filesystem are treated as with

	//"long name", for the purpose of reserving case sensitive file name.

	// This function is for GetLongEntries() to know length of long name .

	int GetWideNameLength() const ;

	// To init the entry,

	// For a file entry, aSize is the known file size,

	// For a directory entry, aSize is not cared.	

	void Init(time_t aCreateTime, time_t aAccessTime, time_t aWriteTime, TUint aSize );

	//This function is used by TFatImgGenerator::PrepareClusters, to prepare the clusters 

	// aClusterData should points to a buffer which is at least the size returns by 

	// GetSize() 

	void WriteDirEntries(TUint aStartIndex, TUint8* aClusterData ); 

	static TFSNode* CreateFromFolder(const char* aPath,TFSNode* aParent = NULL);

protected:

	void GenerateBasicName();

	void MakeUniqueShortName(char rShortName[12],TUint baseNameLength) const;

	void GetShortEntry(TShortDirEntry* aEntry);

	int GetLongEntries(TLongDirEntry* aEntries) ; 

	TFSNode* iParent ;

	TFSNode* iFirstChild ;

	TFSNode* iSibling ;

	TUint8 iAttrs ;

	char* iPCSideName;

	char* iFileName;

	char iShortName[12];

	UTF16String* iWideName ;	

	TTimeInteger iCrtTime ;

	TDateInteger iCrtDate ;

	TUint8 iCrtTimeTenth ;

	TDateInteger iLstAccDate ;

	TTimeInteger iWrtTime ;

	TDateInteger iWrtDate ;

	TUint iFileSize ;

	TShortDirEntry* iFATEntry ;

};

#endif